Personal computer



FIG. 1 is a front view of my new design for a personal computer;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view thereof on a reduced scale;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a personal computer, as shown and described. 